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BAI Min-Dong, BAI Xi-Yao, TANG Hong, SHEN Xin-Jun, XUE Xiao-Hong. Removal of SO2 in Simulated Flue Gas via Strong Ionization Discharge[J]. Chinese Journal of Applied Chemistry,
;2005, 22(2): 128-131.
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Removal of SO2 in simulated flue gas was investigated via strong ionization discharge. Hydroxyl radicals with high-concentration were produced by means of the ionization of O2 and H2O molecules, which oxidized SO2 directly into H2SO4 droplets at 120℃ in the absence of any catalyst and absorbent. H2SO4 were collected with the electrostatic precipitator. As a result, the removal efficiency of SO2 is 84.0%. The removal efficiency of SO2 increases with the increases of the concentrations of O2 and H2O, the reaction time and the intensity of electric field of discharging, and decreases with the increases of SO2 concentration and flow rate of flue gas. The reaction time is only 0.8 s.
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